// mod commands;
// mod database;
// mod utils;

mod front_of_house {
    pub mod hosting {
        pub fn add_to_wait_list() {}
    }
}

pub use crate::front_of_house::hosting;  //也需要遵守私有性规则, 函数一般引入到上一级父模块

pub fn eat_at_the_restaurant() {
    crate::front_of_house::hosting::add_to_wait_list();  //绝对路径

    hosting::add_to_wait_list();  //相对路径
}


//模块内部公开,对外隐藏
//本文件和rodo项目无关
